An Integrated Approach to the Improvement of Stability Lobes

  • Mohan, Sekar (School of Mechanical Engineering, Kyungpook National University) ;
  • Jonnalagadda, Srinivas (School of Mechanical Engineering, Kyungpook National University) ;
  • Kang, Nam-Cheol (School of Mechanical Engineering, Kyungpook National University) ;
  • Yang, Seung-Han (School of Mechanical Engineering, Kyungpook National University)
  • 발행 : 2008.10.01

초록

Redundant spurious loops and overlapping segments in stability lobe diagrams cannot be removed easily by regular methods. A programmatic approach is presented to detect multiple spurious loops occurring within the lobes. They are identified by reorganizing the numerical lobe data into speed-depth corners for subsequent removal. The same principle is then extended to remove overlapping segments of adjacent lobes to obtain a final continuous stability map. Unlike existing methods, the proposed methodology requires no interface with additional editing software, and can also yield stability lobe diagrams more quickly. The methodology is presented with lobe diagrams constructed using milling and turning models.

키워드

참고문헌

  1. Tlusty, J., 'Manufacturing Processes and Equipment,' Prentice-Hall, pp. 559-594, 1999
  2. Schmitz, T. L., 'Automatic Trimming of Machining Stability Lobes,' Intl. Journal of Machine Tools and Manufacture, Vol. 42, No. 13, pp. 801-813, 2002 https://doi.org/10.1016/S0890-6955(02)00015-9
  3. Altintas, Y. and Budak, E., 'Analytical Prediction of Stability Lobes in Milling,' CIRP, Vol. 44, No. 1, pp. 357-362, 1995 https://doi.org/10.1016/S0007-8506(07)62342-7
  4. Tekeli, A. and Budak, E., 'Maximization of Chatter-Free Material Removal Rate in End Milling using Analytical Methods,' Machining Science and Tech., Vol. 9, No. 22, pp. 147-167, 2005 https://doi.org/10.1081/MST-200059036
  5. Chen, C. K. and Tsao, Y. M., 'A Stability Analysis of Turning a Tailstock Supported Flexible Work-Piece,' Intl. Journal of Machine Tools and Manufacture, Vol. 46, No. 11, pp. 18-25, 2006 https://doi.org/10.1016/j.ijmachtools.2005.04.002
  6. Sekar, M., Kweon S. H., Lee, D. M. and Yang, S. H., 'Parametric NURBS Curve Interpolators: A Review,' Intl Journal of Precision Engineering and Manufacturing, Vol. 9, No. 2, pp. 84-92, 2008